Home / 286,899,079.02-430,347,173.90-112,039,869.35

Finding the Fourth Proportional to 286,899,079.02, 430,347,173.90 and 112,039,869.35

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Solution

The fourth proportional to 286,899,079.02, 430,347,173.90 and 112,039,869.35 is: 168,059,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,899,079.02 : 430,347,173.90 = 112,039,869.35 : x
  2. Step 2: Convert to fraction form
    286,899,079.02/430,347,173.90 = 112,039,869.35/x
  3. Step 3: Cross multiply
    286,899,079.02x = 430,347,173.90 × 112,039,869.35
  4. Step 4: Simplify right side
    286,899,079.02x = 48,216,041,136,185,792
  5. Step 5: Solve for x
    x = 48,216,041,136,185,792/286,899,079.02
  6. Step 6: Final answer
    x = 168,059,239.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.